@article{TMF_1979_40_3_a7,
     author = {I. V. Amirkhanov and G. V. Grusha and R. M. Mir-Kassimov},
     title = {Analytic properties of quasipotential scattering amplitude in the complex planes of the rapidity and the angular momentum},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {384--393},
     publisher = {mathdoc},
     volume = {40},
     number = {3},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1979_40_3_a7/}
}